his older brother, tamerlan there on the right, apparently went last january for six months to russia, returned in july, a month later he supposedly posting these videos on the internet. do we know who he met, who he talked with? his father said he visited his family. >> well, this is a huge question. woone wonders how they got backn the country after six' months in russia without examination. let me take this notion that they look like all american guys. you know, the terrorists are not going to wear tin file o foil or ears. they're not going to fly the black flag of al-qaeda in their yard. the point is to assimilate, to mislead people. back in the days of the cold war, soviet spies didn't wear their politics on their sleeve. they tried to fit in. they tried it look like members of the establishment. look at aljer hiss. he was a supreme court court. his brother was a law partner. how could he be a communist spy? yet, he was. terrorists can learn that lesson. the best way to avoid scrutiny is to look like you fit in. >> we just had anna chatman, remember her, the sexy russian spy who